Test the battery. Typically, if it is the starter, when you turn the key, you will hear clicks. If it’s the battery, there will be no sound. Maybe the solenoid? It sounds to me like a power issue. Does your car have a fuse or relay for the starter or ignition?
You could set the loop in it’s original position, in the hole, and use a zig-zag stitch starting 1/2 inch befor the loop and ending 1/2 after the loop.
It could be the safety switch on the door latch, maybe as the dryer heats up, the switch warps and looses contact, the dryer then acts as if the door were open?